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Chapter 4 Dynamics processors 102
Surround Compressor Main parameters
Surround Compressor’s Main section provides the following parameters.
Main parameters
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Ratio knob and eld: Rotate to set the ratio of signal reduction when the threshold is exceeded.
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Knee knob and eld: Rotate to set the ratio of compression at levels close to the threshold.
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Attack knob and eld: Rotate to set the time it takes to reach full compression, after the signal
exceeds the threshold.
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Release knob and eld: Rotate to set the time it takes to return to zero compression, after the
signal falls below the threshold.
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Auto button: Turn on to dynamically adjust the release time to the audio material.
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Limiter button: Turns limiting for the main channels on or o.
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Threshold knob and eld: Rotate to set the threshold for the limiter on the main channels.
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Main Compressor Threshold sliders and elds: Drag to set the threshold level for each channel—
including the LFE channel, which also has independent controls.
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Main Output Levels sliders and elds: Drag to set the output level for each channel—including
the LFE channel, which has independent controls.